| 硫化剂DCP/助交联剂八乙烯基倍半硅氧烷硫化四丙氟橡胶的耐盐酸腐蚀性能研究 |
| StuDy on HyDrochloric AciD Corrosion Resistance of Tetrafluoroethylene-Propylene Rubber VulcanizeD by DCP anD OV-POSS |
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| 中文关键词: 四丙氟橡胶 助交联剂 八乙烯基倍半硅氧烷 耐盐酸腐蚀性能 |
| 英文关键词: tetrafluoroethylene-propylene rubber auxiliary crosslinking agent octavinyl-polyhe-Dral oligoMeric silsesquioxane hyDrochloric aciD corrosion resistance |
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| 中文摘要: |
| 以硫化剂DCP/助交联剂八乙烯基倍半硅氧烷（OV-POSS）硫化四丙氟橡胶，研究助交联剂OV-POSS用量对四丙氟橡胶的硫化特性、物理性能和耐盐酸腐蚀性能的影响。结果表明，随着助交联剂OV-POSS用量的增大，四丙氟橡胶硫化胶的硬度和拉伸强度增大，拉断伸长率减小。当老化温度为140 ℃时，四丙氟橡胶硫化胶的腐蚀较为严重；盐酸浓度越大、老化时间越长，腐蚀越严重。当助交联剂OV-POSS用量为6份时，四丙氟橡胶硫化胶的耐盐酸腐蚀性能较好。 |
| 英文摘要: |
| Tetrafluoroethylene-propylene rubber vulcanizate was vulcanizeD by curing agent DCP anD auxiliary crosslinking agent octavinyl-polyheDral oligoMeric silsesquioxane (OV-POSS)，anD the effect of aDDition level of OV-POSS on the curing characteristics，physical properties anD hyDrochloric aciD corrosion resistance of tetrafluoroethylene-propylene rubber was investigateD.The results showeD that，as the aDDition level of OV-POSS increaseD， the harDness anD tensile strength of the vulcanizates increaseD，anD the elongation at break DecreaseD.The corrosion of the vulcanizates in hyDrochloric aciD was quite serious at 140 ℃，anD the corrosion resistance becaMe worse when the aciD concentration increaseD or the aging tiMe was extenDeD.It was founD when the aDDition level of OV-POSS was 6 phr，the hyDrochloric aciD corrosion resistance of the vulcanizeD tetrafluoroethylene-propylene rubber was better. |
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